705493 has 2 divisors, whose sum is σ = 705494. Its totient is φ = 705492.

The previous prime is 705491. The next prime is 705499. The reversal of 705493 is 394507.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 702244 + 3249 = 838^2 + 57^2 .

It is an emirp because it is prime and its reverse (394507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 705493 - 2¹ = 705491 is a prime.

Together with 705491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (705491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352746 + 352747.

It is an arithmetic number, because the mean of its divisors is an integer number (352747).

2⁷⁰⁵⁴⁹³ is an apocalyptic number.

It is an amenable number.

705493 is a deficient number, since it is larger than the sum of its proper divisors (1).

705493 is an equidigital number, since it uses as much as digits as its factorization.

705493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 705493 is about 839.9363071091. The cubic root of 705493 is about 89.0220456266.

The spelling of 705493 in words is "seven hundred five thousand, four hundred ninety-three".